摘要:
The present invention is related to new basically substituted ureas having the general Formula I ##STR1## and the pharmaceutically acceptable acid addition salts thereof which produce an improved antiviral activity against DNS- and RNS-viruses. The invention is further related to the treatment of humans or animals suffering from diseases caused by viruses by administering compositions containing such ureas or salts thereof as active agent.
摘要:
Herpes virus was doubly mutated in two steps by treatment with phosphono formic acid and 5-ethyl-2'-desoxyuredine. In this way the pathogenicity of the herpes virus was so weakened that they are usable as vaccines.